126333424333621 has 4 divisors (see below), whose sum is σ = 126375022434892. Its totient is φ = 126291826232352.

The previous prime is 126333424333603. The next prime is 126333424333651.

126333424333621 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103972915217521 + 22360509116100 = 10196711^2 + 4728690^2 .

It is a cyclic number.

It is not a de Polignac number, because 126333424333621 - 2²³ = 126333415945013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126333424333651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20799046080 + ... + 20799052153.

It is an arithmetic number, because the mean of its divisors is an integer number (31593755608723).

Almost surely, 2^{126333424333621} is an apocalyptic number.

It is an amenable number.

126333424333621 is a deficient number, since it is larger than the sum of its proper divisors (41598101271).

126333424333621 is an equidigital number, since it uses as much as digits as its factorization.

126333424333621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41598101270.

The product of its digits is 3359232, while the sum is 46.

The spelling of 126333424333621 in words is "one hundred twenty-six trillion, three hundred thirty-three billion, four hundred twenty-four million, three hundred thirty-three thousand, six hundred twenty-one".